Walter: "You can't just walk up to someone and kill them. Even in here."Poor Birkoff. Working with murderers has its drawbacks.The child suicide bombers and cloning plot felt a lot like "1984" crossed with "Brave New World." And the cages in Chernov's compound strongly resembled Section. Deliberate, I'm sure, because the message was that Chernov's operation and what Section does to its